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Today, winter bread wheat is one of the main crops in the irrigated areas of the Republic of Uzbekistan. Drought and rising temperatures as a result of global climate change in recent years, the spread of disease epidemics, low grain quality, and so on are causing a number of problems. For this reason, a number of experiments were carried out using 31 varieties of winter bread wheat from the world gene pool and locally created varieties of Grom, Gozgon, Bunyodkor, Shams, widely introduced in the irrigated areas of the Republic of Uzbekistan as standard varieties. The experiments were randomized to 3 replications, with a crop area of 31.4 m2 and a crop area of 30 m2, plant height (cm), peduncle length (cm), spike length (cm), number of grain spike, thousand grain weight (gm), test weight, g/l, protein content (%), moisture (%), gluten content (%), IDK (Gluten deformation measuring device IDK-3М), vitreousity (%) and grain yield (c/ha). Accordingly, when analyzing the productivity of the studied varieties and lines, it was found that it was 4.36 – 7.60 t/ha. Of the standard varieties, Shams yielded 6.88 t/ha, Bunyodkor 6.86 t/ha and Gozgon 6.83 t/ha. The yield of the Grom variety was 5.60 t/ha, the lowest among the standard varieties, the highest yield was observed in the KR17-FWWPYT-1597 line, 7.6 t/ha and 0.77 t/ha compared to the standard Gozgon variety. In the case of high yields, the yield was 7.3 t/ha and 0.47 t/ha in the KRBW17-6 line, 7.17 t/ha and 0.34 t/ha in the UZ15PC-58 line, and the grain quality 9 lines with higher performance than standard varieties were selected.
Bing Liu, Senthold Asseng, Christoph Müller, Frank Ewert, Joshua Elliott, David B. Lobell, Pierre Martre; Alex C. Ruane, Daniel Wallach, James W. Jones et al. Similar estimates of temperature impacts on global wheat yield by three independent methods. Nature Climate Change. 2016;6: 1130-1136.
Nurunnaher Akter, M. Rafiqul Islam, Heat stress effects and management in wheat. A review. Agronomy for Sustainable Development. 2017;37:17.
Susan B. Altenbach. New insights into the effects of high temperature, drought and post-anthesis fertilizer on wheat grain development. Journal of Cereal Science. 2012;56:39-50. DOI:10.1016/j.jcs.2011.12.012.
Diana Tomás, Wanda Viegas, Manuela Silva. Effects of post-anthesis heat waves on the grain quality of seven European wheat varieties. Agronomy. 2020;10: 268.
Misra SC, Rao VS, Dixit RN, Surve VD, Patil VP. Genetic control of yield and its components in bread wheat. Indian Journal of Genetics. 1994;54:77-82.
Akram Z., Ajmal S.U., Munir M. Estimation of correlation coefficient among some yield parameters of wheat under rainfed conditions. Pak. J. Bot. 2008;40(4): 1777-1781.
Dzhumakhanov B, Morgunov A, Mossad M, Ketata H, Brown H. Role of ICARDA and CIMMYT in the development of wheat breeding The first national conference on wheat breeding, seed production technology in Uzbekistan. Tashkent. 2004;18-19.
Dilmurodov Sh. D., Kayumov N. Sh., Boysunov NB. Value of biometric and productive indicators in the creation of wheat with a complex of valuable properties. Life Sciences and Agriculture. 2020;2-3.
Khazratkulova Sh. U., Dilmurodov Sh. D. Relationship of weather and climatic conditions with the productivity and quality of grain in winter wheat varieties. Fundamental bases of Innovative and educational development. 2019;59-61.
Dilmurodovich D. Sh., Nasirulloevna TF. Selection of early maturity lines in agroecological yield trial of bread wheat. Science, Education, Innovation: Topical Issues I. P. 41.
Dilmurodov Sh. D, et al. Hybridization in different directions and creation of a hybrid generation of soft wheat. Innovative development of Science and Education. 2018;74-77.
Amanov A. Status and prospects of grain growing in Uzbekistan. The first national conference in Uzbekistan on wheat selection, seed production and cultivation technology. Tashkent. 2004;89-92.
Nurbekov AI, Khalikulov ZI. New varieties of soft wheat created in cooperation with CIMMYT and ICARDA. Bulletin of the regional network for the improvement of central winter wheat. Asia and Transcaucasia. Almaty. 2002;2.
Amanov A, Buriev H. Ch., G'afurova LA, Nurbekov A. A grain of corn. Tashkent. 2003;30-35.
Nurbekov AI. Study of samples of bread wheat variety in irrigated lands of Uzbekistan and their use as a primary source for selection. Gallaorol. 2001;16.
Musurmonov D, Amanov AA, Aliqulov SM. Primary sources of autumn bread wheat variety specimens with valuable economic traits. Genetic resources of agricultural crops: Status and prospects for use. Proceedings of the international scientific-practical conference dedicated to the 90th anniversary of the botanical research institute. Tashkent. 2014;88-92.
Muhammad T. Local varieties for grain growers. Journal of Agriculture of Uzbekistan. 2005;7:16.
Mikhailova LA. Wheat brown rust resistance. In the book: Identified plant gene pool and breeding. St. Petersburg, VIR. 2005;896.
Amanov AA, Klintsevich MN. Variability and correlation of plant structure elements of physiological characteristics of wheat taken into account in breeding for salt tolerance and productivity. Bulletin of the regional network for improving winter wheat in Central Asia and Transcaucasia. T. Almaty. 2001;6-8.
Dilmurodov Sh. D, Boysunov NB Selection of productive lines of soft wheat from a hybrid nursery in the conditions of the south region of the Republic of Uzbekistan. World science: Problems and Innovations. 2018;58-60.
Dilmurodov Sh. D., Boysunov N. B. Dependence of yield on biometric indicators in bread wheat hybrid lines. Innovative Technologies. 2020;2(38).
Method of the All-Union Institute of Botany. M. 1984;214.
Dospekhov BA. Field experiment technique. M. 1985;351.
Method of the state variety testing commission of agricultural crops. M. 1989;136.
Dilmurodov Sh. D. Selection of local growing lines of bread wheat. Life Sciences and Agriculture. 2020;1.
Boysunov NB., Juraev DT. Selection of seed material by quality indicators. Fundamental foundations of Innovative development of science and education. 2019;55-58.
Juraev DT et al. The dependence of the productivity of winter soft wheat on dry winds observed in the southern regions of Uzbekistan. Bulletin of Science and Practice. 2018;4:10.
Diyor Turdikulovich Juraev, Oybek Anvarovich Amanov, Sherzod Dilmurodovich Dilmurodov, Nurzod Bekmurodovich Boysunov, Jabarov Farrukh Odirovich. To study the heat resistance features of bread wheat varieties and species for the southern regions of the republic of Uzbekistan. European Journal of Molecular & Clinical Medicine. 2020;7(2):2254-2270.
Kayumov N. Sh., et al. Selection of early bread wheat lines based on studying the time of development. International Scientific and Technical Journal Innovation Technical and Technology. 2020;1:2:69-71.